inst/unitTests/runit.colidx.R

In XLConnect: Excel Connector for R

#############################################################################
#
# XLConnect
# Copyright (C) 2010-2021 Mirai Solutions GmbH
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# This program is free software: you can redistribute it and/or modify
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#############################################################################
#
# Tests around converting Excel columns to and from indices
# 
# Author: Martin Studer, Mirai Solutions GmbH
#
#############################################################################

test.colidx <- function() {
	
	checkEquals(col2idx(c("A", "AA", "HZR")), c(1, 27, 6102))
	
	checkEquals(idx2col(c(1, 27, 6102)), c("A", "AA", "HZR"))
	
	checkEquals(idx2col(col2idx(c("AWT", "FRT"))), c("AWT", "FRT"))
	
	checkEquals(col2idx(idx2col(c(3628, 867))), c(3628, 867))
	
	checkEquals(idx2col(c(0, -1, -2628)), rep("", 3))
}